var verify_tax_list = JSON.parse('{"CODE":0, "ACTION":"","LEVEL":"T1", "MSG":"","DATA":"","SCRIPTNAME":"verify_tax_list"}');
//存在同item不同税率修改
var detailList = isNull(request_sku_list) ? []:findSameItemByList(JSON.parse(request_sku_list), item_nbr);
var taxList = getUniqueValues(detailList, "tax_rate");
if (!isNull(tax_rate)) {
    if (taxList.indexOf(tax_rate) == -1) {
        taxList.push(tax_rate);
    }
}

if (!isNull(taxList) && taxList.length > 1) {
    verify_tax_list.CODE = 2;
    verify_tax_list.ACTION = 'risk';
    verify_tax_list.MSG = '错误:存在同item不同税率修改';
}


JSON.stringify(verify_tax_list);